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View Full Version : 03 z 400 with problems


jordanf1986
09-29-2009, 05:04 PM
hey everyone i just got my z back together its now a 440 it runs fine in first & second but in third & fourth it seems to lose power almost like its flooding out and a big puff of smoke comes out can anyone tell me how too fix this
cataway
10-01-2009, 04:00 AM
what carb ?

what jetting?

what pipe ?

ported ?

what intake boot ?

sparker in or out ?
jordanf1986
10-01-2009, 04:10 PM
i found out why its bogging down it shooting oil out of the carb ,ALOT OF OIL, it doesnt do it when it idling but about the top of third it fills the air box
jordanf1986
10-01-2009, 04:24 PM
i found out why its bogging down it shooting oil out of the carb ,ALOT OF OIL, it doesnt do it when it idling but about the top of third it fills the air box
cataway
10-01-2009, 07:51 PM
shooting oil out of the carb ..........................thats a new one to me.
Supr Truckr
10-02-2009, 08:44 AM
you need a smaller jet or your needle needs to go to one of the last click.But you should not have oil coming out of the carb,that is not good.
dvx440/440ex
10-15-2009, 08:36 AM
check your vent lines on the motor running to the box mounted on the frame last year had one come off oil every where looked like the carb but actually wasnt